109597107731 has 2 divisors, whose sum is σ = 109597107732. Its totient is φ = 109597107730.

The previous prime is 109597107707. The next prime is 109597107757. The reversal of 109597107731 is 137701795901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109597107731 - 2¹⁴ = 109597091347 is a prime.

It is a super-3 number, since 3×109597107731³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 109597107731.

It is not a weakly prime, because it can be changed into another prime (109597107761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54798553865 + 54798553866.

It is an arithmetic number, because the mean of its divisors is an integer number (54798553866).

Almost surely, 2^109597107731 is an apocalyptic number.

109597107731 is a deficient number, since it is larger than the sum of its proper divisors (1).

109597107731 is an equidigital number, since it uses as much as digits as its factorization.

109597107731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 416745, while the sum is 50.

The spelling of 109597107731 in words is "one hundred nine billion, five hundred ninety-seven million, one hundred seven thousand, seven hundred thirty-one".